Pressing mechanism and welding device with same

Abstract

The utility model relates to the technical field of welding devices, in particular to a hold-down mechanism and a welding device with the hold-down mechanism, the hold-down mechanism comprises a workbench, a rotating seat, a limiting mechanism, a translation frame, a second annular seat and a clamping mechanism; the limiting mechanism is arranged on the rotating seat; the translation frame is driven by a translation mechanism installed on the workbench to move and adjust in the horizontal direction of the workbench. The clamping mechanism is composed of an adjusting assembly installed on the second annular base and two sets of clamping bases symmetrically installed in the second annular base. Flange plates of different sizes can be clamped conveniently through the limiting mechanism. Through the clamping mechanism, the silencer with the different size can be conveniently clamped; the silencer on the translation frame is conveniently driven to be in butt joint with the flange plate on the fixing frame through the translation mechanism, the rotating seat is conveniently driven to rotate along the fixing frame through the driving assembly, then the second annular seat is driven to rotate by a proper angle along the translation frame through the linkage rod, comprehensive welding of the joint is facilitated, and the welding efficiency is improved.

Description

Clamping mechanism and welding device having it Technical Field

[0001] This utility model relates to the field of welding device technology, specifically to a clamping mechanism and a welding device having the same. Background Technology

[0002] A silencer is a device that reduces noise by absorbing, reflecting, or isolating sound wave energy. It is mainly used in pipes or equipment that allow airflow but need to control the propagation of noise.

[0003] Chinese patent CN221935795U discloses a welding and clamping mechanism for an air conditioner compressor muffler, including a worktable. Two No. 1 vertical plates are symmetrically arranged on the worktable. A sliding clamping plate is slidably mounted on each of the two limiting rods. Two No. 2 springs are respectively fitted onto the limiting rods. Under the action of the two No. 2 springs, the sliding clamping plate is pushed towards the fixed clamping plate, thereby fitting the muffler into the No. 2 slot opened between the fixed clamping plate and the sliding clamping plate. Under the action of the two No. 1 springs, the pressing plate is pushed back towards the No. 1 vertical plate, pressing and fixing the flange into the No. 1 slot. This achieves the welding clamping and fixing function, effectively improving welding efficiency, ensuring welding effect, and increasing production efficiency.

[0004] However, the above-mentioned publicly available solutions have the following shortcomings: after the welding end of the muffler is connected to the interface of the flange, although the workers can weld the connection, both the muffler and the flange are fixed relative to the workbench and cannot be rotated, making it inconvenient to weld the bottom of the connection and reducing welding efficiency. Summary of the Invention

[0005] The purpose of this utility model is to address the problems existing in the background art by proposing a clamping mechanism and a welding device having the same.

[0006] The technical solution of this utility model includes: a clamping mechanism, comprising a worktable with a fixed frame mounted on one side of its top; a rotating seat, which is rotatably connected to the fixed frame via a drive assembly, the drive assembly consisting of a motor mounted on the worktable, a gear connected to the output end of the motor, and a gear ring mounted on the outer wall of the rotating seat, the gear meshing with the gear ring; a limiting mechanism, which is disposed on the rotating seat for mounting flanges of different sizes on the rotating seat; a translation frame, which is driven by a translation mechanism mounted on the worktable to move and adjust along the horizontal direction of the worktable; a second annular seat, which is rotatably connected to the translation frame, the second annular seat being driven to rotate synchronously with the rotating seat; and a clamping mechanism, which consists of an adjustment assembly mounted on the second annular seat and two sets of clamping seats symmetrically mounted inside the second annular seat, the two sets of clamping seats being driven to move closer or further apart via the adjustment assembly.

[0007] Preferably, both the fixed frame and the translation frame are composed of a first annular seat and a support column installed at the bottom of the first annular seat, and the length of the support column in the fixed frame is less than the length of the support column in the translation frame.

[0008] Preferably, the limiting mechanism includes a second mounting groove disposed on a rotating seat; a bidirectional threaded rod that is rotatably connected to the second mounting groove by a motor mounted on the rotating seat; and a movable seat, which is provided in two sets, the two sets of movable seats being slidably connected to the second mounting groove and threadedly sleeved on the bidirectional threaded rod, and an insert rod being mounted on the movable seat.

[0009] Preferably, an anti-slip sleeve is provided on the outer peripheral surface of the insertion rod.

[0010] Preferably, a connecting rod is installed on the second annular seat, and a through hole is provided on the rotating seat, with the connecting rod slidingly inserted into the through hole.

[0011] Preferably, the adjustment assembly includes a dual-axis motor mounted on the outer wall of the second annular seat; two sets of second threaded rods, each set being drivenly connected to one of the two output ends of the dual-axis motor, with the other end of the second threaded rod rotatably connected to a mounting bracket, the other end of which is connected to the outer wall of the second annular seat; and two sets of movable arms, one end of which is threadedly connected to the corresponding second threaded rod, the other end of which extends into the interior of the second annular seat and connects to a clamping seat, and the movable arms are slidably connected to the second annular seat.

[0012] This utility model also discloses a welding device, including the aforementioned clamping mechanism.

[0013] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects: the limiting mechanism facilitates the clamping of flanges of different sizes; the clamping mechanism facilitates the clamping of silencers of different sizes; the translation mechanism facilitates the docking of the silencer on the translation frame with the flange on the fixed frame; the driving component facilitates the driving of the rotating seat to rotate along the fixed frame, and then the connecting rod simultaneously drives the second annular seat to rotate along the translation frame at a suitable angle, which facilitates the comprehensive welding of the connection and improves the welding efficiency. Attached Figure Description

[0014] Figure 1 is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 is a schematic diagram of the connection between the clamping mechanism and the ring seat of this utility model;

[0016] Figure 3 is a schematic diagram of the connection between the rotating seat and the fixed frame of this utility model.

[0017] Reference numerals: 1. Worktable; 101. First mounting slot; 2. Fixing frame; 3. Rotating seat; 301. Drive assembly; 302. Through hole; 303. Second mounting slot; 4. Bidirectional threaded rod; 401. Moving seat; 402. Insert rod; 5. Translation frame; 6. Second annular seat; 601. Linkage rod; 7. Second threaded rod; 701. Moving arm; 702. Clamping seat; 703. Dual-axis motor; 704. Mounting frame. Detailed Implementation

[0018] Example 1

[0019] As shown in Figures 1 to 3, the clamping mechanism proposed in this utility model includes a worktable 1, a rotating seat 3, a limiting mechanism, a translation frame 5, a second annular seat 6, and a clamping mechanism. A fixed frame 2 is installed on one side of the top of the worktable 1. The rotating seat 3 is driven to rotate and connect to the fixed frame 2 via a drive assembly 301. The drive assembly 301 consists of a motor mounted on the worktable 1, a gear that drives the output end of the motor, and a gear ring mounted on the outer wall of the rotating seat 3. The gear meshes with the gear ring. The limiting mechanism is set on the rotating seat 3 and is used to install flanges of different sizes on the rotating seat 3. The translation frame 5 is driven by a translation mechanism mounted on the worktable 1 to move and adjust along the horizontal direction of the worktable 1. The translation mechanism consists of a fixed frame 2, a second annular seat 6, and a clamping mechanism. The first mounting slot 101 is placed on the workbench 1 and the first threaded rod is rotatably connected to the first mounting slot 101 by a motor drive. A reducer is provided between the motor and the first threaded rod. The bottom end of the translation frame 5 is slidably connected to the first mounting slot 101 and threadedly sleeved on the outside of the first threaded rod. The second annular seat 6 is rotatably connected to the translation frame 5 and is drivenly connected to the rotating seat 3. The second annular seat 6 and the rotating seat 3 rotate synchronously. The clamping mechanism consists of an adjustment component installed on the second annular seat 6 and two sets of clamping seats 702 symmetrically installed inside the second annular seat 6. The two sets of clamping seats 702 are driven to move closer or further apart by the adjustment component. The clamping end of the clamping seat 702 is arc-shaped.

[0020] Furthermore, both the fixed frame 2 and the translation frame 5 are composed of a first annular seat and a support column installed at the bottom of the first annular seat. The length of the support column in the fixed frame 2 is less than the length of the support column in the translation frame 5. The support column in the translation frame 5 is slidably connected to the first mounting groove 101 and threadedly connected to the first threaded rod.

[0021] Furthermore, the limiting mechanism includes a second mounting groove 303, a bidirectional threaded rod 4, and a movable seat 401; the second mounting groove 303 is disposed on the rotating seat 3; the bidirectional threaded rod 4 is rotatably connected to the second mounting groove 303 by a motor mounted on the rotating seat 3, and a gearbox is disposed between the motor and the bidirectional threaded rod 4; the movable seat 401 is provided in two sets, the two sets of movable seats 401 are slidably connected to the second mounting groove 303 and threadedly sleeved on the bidirectional threaded rod 4, and a plug rod 402 is installed on the movable seat 401.

[0022] Furthermore, an anti-slip sleeve is provided on the outer circumferential surface of the insertion rod 402 to increase the friction between the insertion rod 402 and the flange and prevent slippage.

[0023] Furthermore, a connecting rod 601 is installed on the second annular seat 6, and a through hole 302 is provided on the rotating seat 3, with the connecting rod 601 slidingly inserted into the through hole 302.

[0024] Furthermore, the adjustment assembly includes a dual-axis motor 703, a second threaded rod 7, and a movable arm 701; the dual-axis motor 703 is mounted on the outer wall of the second annular seat 6; two sets of second threaded rods 7 are provided, and the two sets of second threaded rods 7 are respectively connected to the two output ends of the dual-axis motor 703 for transmission; the other end of the second threaded rod 7 is rotatably connected to a mounting bracket 704, and the other end of the mounting bracket 704 is connected to the outer wall of the second annular seat 6; two sets of movable arms 701 are provided, one end of the movable arm 701 is threadedly connected to the corresponding second threaded rod 7, and the other end of the movable arm 701 extends into the interior of the second annular seat 6 and is connected to the clamping seat 702; the movable arm 701 is slidably connected to the second annular seat 6.

[0025] In this embodiment, the controller starts the motor to drive the bidirectional threaded rod 4 to rotate. Under the guidance of the second mounting groove 303, the two sets of moving seats 401 are adjusted to move closer or further away from each other until the two sets of insert rods 402 can be inserted into the corresponding two sets of mounting holes on the flange. Then the flange is pressed against the rotating seat 3. At the same time, the controller fine-tunes the bidirectional threaded rod 4 until the two sets of insert rods 402 move closer to each other to further clamp the flange, thereby completing the flange's positioning.

[0026] The muffler is placed on a set of clamping seats 702 at the lower part of the second annular seat 6. The controller starts the dual-axis motor 703 to drive the two sets of second threaded rods 7 to rotate, thereby causing the two sets of moving arms 701 to slide along the second annular seat 6 until the two sets of clamping seats 702 move closer together to clamp the muffler. The controller starts the translation mechanism to drive the translation frame 5 to move towards the fixed frame 2. At the same time, the connecting rod 601 on the second annular seat 6 slides along the through hole 302 until the end of the muffler to be welded on the second annular seat 6 abuts against the flange connection. Welding can then be performed on the connection by the welding gun. The controller starts the drive assembly 301 to drive the rotating seat 3 to rotate along the fixed frame 2 at a suitable angle. At the same time, the connecting rod 601 drives the second annular seat 6 to rotate synchronously at a suitable angle, thereby rotating the connection between the muffler and the flange at a suitable angle to facilitate welding by the welding gun. The connection can be welded quickly, improving welding efficiency.

[0027] Example 2

[0028] As shown in Figures 1 to 3, the welding device proposed in this utility model includes the clamping mechanism described in Embodiment 1.

[0029] In this embodiment, the flange and the silencer are clamped by a clamping mechanism and then connected together. During the connection process, the silencer and the flange can be rotated at a suitable angle, which facilitates the welding gun to perform full welding at the connection.

[0030] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A clamping mechanism, characterized in that, The system includes a workbench (1) with a fixed frame (2) mounted on one side of its top; a rotating seat (3) that is driven to rotate and connect to the fixed frame (2) via a drive assembly (301), the drive assembly (301) consisting of a motor mounted on the workbench (1), a gear connected to the output end of the motor, and a gear ring mounted on the outer wall of the rotating seat (3), the gear meshing with the gear ring; a limiting mechanism mounted on the rotating seat (3) for mounting flanges of different sizes on the rotating seat (3); and a translation frame (5) mounted on the workbench (1). The translation mechanism on the worktable (1) is driven to move and adjust along the horizontal direction of the worktable (1); the second annular seat (6) is rotatably connected to the translation frame (5), the second annular seat (6) is connected to the rotating seat (3) and rotates synchronously with the rotating seat (3); and the clamping mechanism is composed of an adjustment component installed on the second annular seat (6) and two sets of clamping seats (702) symmetrically installed inside the second annular seat (6), the two sets of clamping seats (702) are driven to move closer or further away from each other by the adjustment component.

2. The clamping mechanism according to claim 1, characterized in that, Both the fixed frame (2) and the translation frame (5) are composed of a first annular seat and a support column installed at the bottom of the first annular seat. The length of the support column in the fixed frame (2) is less than the length of the support column in the translation frame (5).

3. The clamping mechanism according to claim 1, characterized in that, The limiting mechanism includes a second mounting groove (303) which is disposed on a rotating seat (3); a bidirectional threaded rod (4) which is driven to rotate and connect to the second mounting groove (303) by a motor mounted on the rotating seat (3); and a movable seat (401) which is provided in two sets, the two sets of movable seats (401) are slidably connected to the second mounting groove (303) and threadedly sleeved on the bidirectional threaded rod (4), and a plug rod (402) is installed on the movable seat (401).

4. The clamping mechanism according to claim 3, characterized in that, An anti-slip sleeve is provided on the outer circumferential surface of the insertion rod (402).

5. The clamping mechanism according to claim 1, characterized in that, A connecting rod (601) is installed on the second annular seat (6), and a through hole (302) is provided on the rotating seat (3). The connecting rod (601) slides into the through hole (302).

6. The clamping mechanism according to claim 1, characterized in that, The adjustment assembly includes a dual-axis motor (703) mounted on the outer wall of the second annular seat (6); two sets of second threaded rods (7), which are respectively connected to the two output ends of the dual-axis motor (703), and the other end of the second threaded rod (7) is rotatably connected to a mounting bracket (704), the other end of the mounting bracket (704) is connected to the outer wall of the second annular seat (6); and two sets of movable arms (701), one end of the movable arm (701) is threadedly connected to the corresponding second threaded rod (7), the other end of the movable arm (701) extends into the interior of the second annular seat (6) and is connected to the clamping seat (702), and the movable arm (701) is slidably connected to the second annular seat (6).

7. A welding apparatus, characterized in that, Includes the clamping mechanism as described in any one of claims 1 to 6.

Images